Temperature extremes, lack of water, and other environmental stresses trigger an increase in ____ synthesis, release, and transport, which helps the plant survive the adverse conditions.
A. cytokinin
B. gibberellin
C. auxin
D. abscisic acid
E. ethylene
Answer: D
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What becomes of the polar bodies formed during oogenesis?
A. They degenerate. B. They fertilize the egg. C. They become the follicle cells that surround the egg. D. They differentiate into sperm. E. They form the zona pellucida.
Which of the following is unique to prokaryotes?
a. chemoautotroph b. chemoheterotroph c. photoautotroph d. photoheterotroph e. chemoautotroph and photoheterotroph
Mammalian tumor cells that increase glycolysis even in the presence of oxygen increase expression of one isoform of the glycolytic enzyme ________, the first enzyme in the glycolytic pathway
Fill in the blank with correct word.
On occasion, chronic abusers of amphetamines have been misdiagnosed as suffering from:
A) panic disorder B) depression C) autism D) schizophrenia